系统所在业务空间
## 前置条件
    1. 系统下有设备
    2. 系统下的设备有所在业务空间关系
## 依赖函数
    Eq2Sp
## 计算流程
    1. 根据 系统 --> 设备 --> 业务空间 的间接关系, 获取系统和业务空间的关系
    2. 计算结果存储在r_sy_in_sp_*中
## 函数
```
-- 系统所在楼层
create or replace function public.rel_sy2sp(project_id character varying) returns boolean
as
$$
try:
    input_tables = ['r_eq_in_sp_zone_air_conditioning', 'r_eq_in_sp_zone_clean', 'r_eq_in_sp_zone_domestic_water_supply', 'r_eq_in_sp_zone_fire', 'r_eq_in_sp_zone_function',
        'r_eq_in_sp_zone_general', 'r_eq_in_sp_zone_heating', 'r_eq_in_sp_zone_lighting', 'r_eq_in_sp_zone_network', 'r_eq_in_sp_zone_power_supply', 'r_eq_in_sp_zone_security', 'r_eq_in_sp_zone_tenant']
    output_tables = ['r_sy_in_sp_zone_air_conditioning', 'r_sy_in_sp_zone_clean', 'r_sy_in_sp_zone_domestic_water_supply',
        'r_sy_in_sp_zone_fire', 'r_sy_in_sp_zone_function', 'r_sy_in_sp_zone_general', 'r_sy_in_sp_zone_heating', 'r_sy_in_sp_zone_lighting',
        'r_sy_in_sp_zone_network', 'r_sy_in_sp_zone_power_supply', 'r_sy_in_sp_zone_security', 'r_sy_in_sp_zone_tenant']
    # 将下面对数据库的操作作为一个事务, 出异常则自动rollback
    with plpy.subtransaction():
        for i in range(len(output_tables)):
            delete_plan = plpy.prepare("delete from {0} where project_id = $1 and sign = 2".format(output_tables[i]), ["text"])
            delete_plan.execute([project_id])
            join_plan = plpy.prepare("select sy.sys_id, rel.space_id from r_sy_eq sy inner join {0} rel on sy.equip_id = rel.equip_id where rel.project_id = $1 and sy.project_id = $1".format(input_tables[i]), ["text"])
            rel = join_plan.execute([project_id])
            sy2sp = dict()
            for row in rel:
                sys = row['sys_id']
                space = row['space_id']
                if sys not in sy2sp:
                    sy2sp[sys] = set()
                space_set = sy2sp[sys]
                space_set.add(space)
            for sid, space_set in sy2sp.items():
                for space in space_set:
                    plan = plpy.prepare("insert into {0}(sys_id, space_id, project_id, sign) values($1, $2, $3, 2)".format(output_tables[i]), ["text", "text", "text"])
                    plan.execute([sid, space, project_id])
except Exception as e:
    plpy.warning(e)
    return False
else:
    return True
$$
LANGUAGE 'plpython3u' VOLATILE;
```

## 输入
    1. 项目id

## 例子
    select public.rel_sy2sp('Pj1101010015');